:root{--navy: #0F2647;--navy-light: #1a3a5c;--green: #10B981;--green-dark: #059669;--amber: #F59E0B;--red: #EF4444;--purple: #8B5CF6;--bg: #F0F4F8;--surface: #FFFFFF;--border: rgba(0,0,0,.08);--text: #0F172A;--text-muted: #64748B;--text-light: #94A3B8;--radius: 10px;--radius-lg: 14px;--shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.app-shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:230px;background:var(--navy);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 16px 16px;border-bottom:1px solid rgba(255,255,255,.07)}.logo-icon{font-size:22px;color:var(--green)}.logo-title{color:#fff;font-size:15px;font-weight:500;font-family:Space Grotesk,sans-serif}.logo-sub{color:#ffffff59;font-size:10px;margin-top:1px}.sidebar-nav{padding:10px 0 4px}.nav-section-label{color:#ffffff40;font-size:10px;font-weight:500;letter-spacing:.8px;text-transform:uppercase;padding:0 16px 6px}.nav-item{display:flex;align-items:center;gap:9px;padding:9px 16px;color:#ffffff8c;font-size:13px;text-decoration:none;border-left:2px solid transparent;transition:all .12s}.nav-item:hover{background:#ffffff0d;color:#ffffffd9}.nav-item.active{background:#10b9811f;color:var(--green);border-left-color:var(--green)}.nav-item i{font-size:16px}.level-pills{display:flex;flex-direction:column;gap:4px;padding:0 10px}.level-pill{display:flex;align-items:center;justify-content:space-between;padding:7px 10px;background:#ffffff0a;border:none;border-radius:8px;color:#ffffff80;font-size:12px;cursor:pointer;transition:all .12s;text-align:left}.level-pill:hover{background:#ffffff17;color:#ffffffd9}.pill-count{background:#ffffff14;border-radius:20px;padding:1px 7px;font-size:10px}.sidebar-footer{margin-top:auto;padding:14px 16px;border-top:1px solid rgba(255,255,255,.07);display:flex;align-items:center;gap:10px}.avatar-sm{width:30px;height:30px;border-radius:50%;background:var(--green);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:500;color:#fff;flex-shrink:0}.user-name{color:#fffc;font-size:12px}.user-role{color:#ffffff4d;font-size:10px}.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 20px;height:52px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.topbar-title{font-size:15px;font-weight:500;font-family:Space Grotesk,sans-serif}.topbar-right{display:flex;align-items:center;gap:10px}.page-content{flex:1;overflow-y:auto;padding:18px 20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.card-pad{padding:16px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px 16px;box-shadow:var(--shadow)}.stat-label{font-size:11px;color:var(--text-muted);margin-bottom:6px;display:flex;align-items:center;gap:5px}.stat-label i{font-size:13px}.stat-value{font-size:26px;font-weight:600;font-family:Space Grotesk,sans-serif}.stat-sub{font-size:11px;color:var(--text-light);margin-top:2px}.stat-green .stat-value{color:var(--green-dark)}.stat-amber .stat-value{color:#d97706}.stat-red .stat-value{color:#dc2626}.stat-purple .stat-value{color:#7c3aed}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.section-title{font-size:13px;font-weight:500}.grades-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.grade-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px;box-shadow:var(--shadow);cursor:pointer;transition:border-color .15s}.grade-card:hover{border-color:var(--green)}.grade-name{font-size:13px;font-weight:500;margin-bottom:10px}.progress-bar{background:#f1f5f9;border-radius:4px;height:6px;margin-bottom:8px;overflow:hidden}.progress-fill{height:100%;border-radius:4px;transition:width .4s ease}.grade-footer{display:flex;gap:10px}.gf-item{font-size:11px;color:var(--text-muted)}.gf-item strong{color:var(--text)}.badge{display:inline-flex;align-items:center;font-size:11px;font-weight:500;padding:3px 9px;border-radius:20px}.badge-puntual{background:#d1fae5;color:#065f46}.badge-retardo{background:#fef3c7;color:#92400e}.badge-falta{background:#fee2e2;color:#991b1b}.badge-justificante{background:#ede9fe;color:#5b21b6}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;border:none;transition:all .12s}.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:var(--navy-light)}.btn-green{background:var(--green);color:#fff}.btn-green:hover{background:var(--green-dark)}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg)}.btn-sm{padding:5px 10px;font-size:12px}.form-group{margin-bottom:14px}.form-label{display:block;font-size:12px;font-weight:500;color:var(--text-muted);margin-bottom:5px}.form-control{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);font-size:13px;color:var(--text);outline:none;transition:border-color .15s}.form-control:focus{border-color:var(--green)}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;font-size:11px;font-weight:500;color:var(--text-muted);padding:8px 14px;background:#f8fafc;border-bottom:1px solid var(--border)}.data-table td{padding:10px 14px;border-bottom:1px solid var(--border);font-size:13px}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#f8fafc}.recent-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border)}.recent-item:last-child{border-bottom:none}.ava{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:500}.ava-info{flex:1}.ava-name{font-size:13px;font-weight:500}.ava-sub{font-size:11px;color:var(--text-muted)}.scanner-wrapper{display:flex;flex-direction:column;align-items:center;gap:16px;padding:24px}.qr-region-container{position:relative}#qr-reader{width:280px!important;border-radius:var(--radius-lg);overflow:hidden}#qr-reader video{border-radius:var(--radius-lg)}.status-options{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.status-opt{padding:7px 16px;border-radius:20px;font-size:12px;font-weight:500;border:1.5px solid;cursor:pointer;background:transparent;transition:all .12s}.status-opt-puntual{border-color:var(--green);color:var(--green-dark)}.status-opt-retardo{border-color:var(--amber);color:#d97706}.status-opt-justificante{border-color:var(--purple);color:#7c3aed}.status-opt-falta{border-color:var(--red);color:#dc2626}.status-opt.selected-puntual{background:var(--green);color:#fff}.status-opt.selected-retardo{background:var(--amber);color:#fff}.status-opt.selected-justificante{background:var(--purple);color:#fff}.status-opt.selected-falta{background:var(--red);color:#fff}.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{background:var(--navy);color:#fff;padding:10px 16px;border-radius:var(--radius);font-size:13px;display:flex;align-items:center;gap:8px;border-left:3px solid var(--green);animation:slideIn .2s ease;box-shadow:0 4px 12px #00000026}@keyframes slideIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.date-badge{font-size:12px;color:var(--text-muted);background:var(--bg);padding:5px 10px;border-radius:var(--radius);display:flex;align-items:center;gap:5px}.export-row{display:flex;gap:8px;margin-top:14px}.btn-pdf{background:#ef4444;color:#fff}.btn-pdf:hover{background:#dc2626}.btn-excel{background:#059669;color:#fff}.btn-excel:hover{background:#047857}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0003}.modal-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:15px;font-weight:500}.modal-body{padding:20px}.modal-footer{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}@media (max-width: 900px){.stats-grid,.grades-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.app-shell{flex-direction:column;height:100dvh}.sidebar{width:100%;height:auto;flex-direction:row;overflow-x:auto;overflow-y:hidden;order:2;padding:0;flex-shrink:0}.sidebar-logo,.nav-section-label,.level-pills,.sidebar-footer{display:none}.sidebar-nav{display:flex;flex-direction:row;padding:0;width:100%;justify-content:space-around}.nav-item{flex-direction:column;justify-content:center;align-items:center;padding:8px 4px;font-size:10px;gap:3px;border-left:none;border-top:2px solid transparent;flex:1;min-width:56px}.nav-item.active{border-left:none;border-top-color:var(--green);background:#10b9811a}.nav-item i{font-size:20px}.main-area{flex:1;order:1;overflow:hidden;min-height:0}.topbar{padding:0 12px;height:48px}.topbar-title{font-size:14px}.date-badge{display:none}.page-content{padding:12px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:8px}.grades-grid{grid-template-columns:1fr}.page-content>div[style*="grid-template-columns: 1fr 1fr"]{grid-template-columns:1fr!important}.modal-overlay{padding:0;align-items:flex-end}.modal{border-radius:16px 16px 0 0;max-height:92dvh;max-width:100%}.card{overflow-x:auto}.data-table{min-width:500px}.btn{padding:10px 14px;min-height:40px}.btn-sm{padding:8px 10px;min-height:36px}.form-control{font-size:16px}.scanner-wrapper{padding:14px;gap:12px}div[style*="grid-template-columns: repeat(auto-fill"]{grid-template-columns:1fr!important}.rp-header,#report-preview-body{font-size:11px}}@media (max-width: 390px){.stats-grid{grid-template-columns:1fr 1fr;gap:6px}.stat-value{font-size:20px}.topbar-title{font-size:13px}.nav-item{font-size:9px;padding:6px 2px}.nav-item i{font-size:18px}.page-content{padding:10px}}@media (display-mode: standalone){.app-shell{height:100vh}.sidebar{padding-bottom:env(safe-area-inset-bottom)}}.table-scroll-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-lg)}.table-scroll-wrapper .data-table{min-width:600px}@media (max-width: 768px){.lista-grid,.config-grid-3,.config-grid-2{grid-template-columns:1fr!important}}@media (max-width: 600px){.hide-mobile{display:none}}@media (max-width: 768px){.mobile-logout{display:flex!important;align-items:center;justify-content:center;gap:6px;padding:8px 16px;background:#ef44441a;border:1px solid rgba(239,68,68,.2);border-radius:8px;color:#ef4444;font-size:12px;font-weight:500;cursor:pointer;width:100%;margin-top:8px}.mobile-logout-wrap{display:block!important;padding:8px 12px;border-top:1px solid rgba(255,255,255,.07)}}@media (min-width: 769px){.mobile-logout-wrap{display:none}}